计算：512-913+1248-数学

更多内容推荐

• The weather forecast says there will be wind from the northwest tonight. That always _____ snow with
• When you begin a sentence with “don’t tell anyone but …” there’s a 90% chance that the person ______
• The house belongs to my aunt but she _____here any more. [ ]A. hasn't lived B. didn't live
• 计算：（1）38-218+532；（2）7a-3a1a+2aa3；（3）2bab5•(-23a3b)÷3ba．-数学
• His mother looked very tired，for she _____ the house herself all day.A．had cleanedB．has been cleanin
• 计算8-(1-2)的结果是（）A．32-1B．32+1C．2-1D．2+1-数学
• 计算：612-8=______．-数学
• He ________ in American for five years, and now he works in Shanghai.A．have workedB．workedC．had work
• 计算：8+312-12=______．-数学
• When I got there, the meeting _____ for ten minutes.A．has been onB．had begunC．had been onD．has begun
• ----We’ve spent too much money recently.-----Well, it isn’t surprising .Our friend and relativesarou
• 计算：（1）18-8+50；（2）212+4112-348-43．-数学
• 计算：8-18=______．-数学
• ---Guess what, we’ve got our visas for a short-term visit to the UK this summer. ---How nice! You __
• Helen ______ her keys in the office so she had to wait until her husband ______ home. A．has left; co
• The teacher, with 6 girls and 8 boys of her class, ______ visiting a museum when the earthquake stru
• ------ Kate and Lucy are twins.------ Oh, I ______ why they looked so alike.A．wonderB．have wonderedC
• When the plane arrived, some of the detectives were waiting inside the main building ________others
• 计算2+8=（）A．10B．32C．23D．以上都不对-数学
• 计算：524-740+8150-54+1000．-数学
• 计算：（2+5）2-40-数学
• ---- What’s that noise? ---- Oh, I forgot to tell you. The new machine ______.A．was testedB．will be
• 计算412+313-8的结果是（）A．3+2B．3C．33D．3-2-数学
• from the top of the tower ,the south foot of the mountain is a sea of trees.A．SeenB．SeeingC．Having s
• At this time next week we ___________ a football match against Class 9.A．are going to playB．will be
• I want to buy that kind of cloth because I _______ the cloth _______ well.A．have told; washesB．have
• Edward, you play so well, but I _____ you play the piano.A．didn’t knowB．hadn’t knownC．don’t knowD．ha
• I ______ while reading the English textbook. Luckily, my roommate woke me up in time !A．had fallen a
• —Allan looks tired out.—Sure. He in the gym for two hours. A．works outB．had worked outC．has been wor
• – Will you be able to see Jennifer’s parents when the first class is over?– I’m afraid not. I ______
• 计算：12-27+75-数学
• 计算：（1）45+45-8+42（2）(548-627+415)÷3（3）(a+2b)(a-2b)-数学
• 计算：9a+25a=______．-数学
• The song writer and music composer ________ to show up at the press conference next week.A．are going
• （1）239x+6x4-2x1x（2）解方程：x2+4x-1=0-数学
• 计算：8+313-12+32．-数学
• —I haven’t heard from Henry for a long time.—What do you suppose________ to him?A．will happenB．has h
• ---Guess what? We’ve got our visas for a short-term visit to the UK this summer.---How nice! You ___
• ------ Can I help you? -------- No, thank you. I __________ now.A．have been servedB．have servedC．am
• 7a8a-2a218a+7a2a-数学
• 计算：a+-=（）。-九年级数学
• 两个无理数的和是5，则这两个无理数可能是______（填两个具体的数）．-数学
• Cathy is taking notes of the grammatical rules in class at Sunshine School, where she ______ English
• 计算：9a2b-ba2b(a≥0，b＞0)．-数学
• Look at the pride on Tom’s face. He _____ to have been praised by the manager just now. A. seemedB.
• 下列计算中，正确的是（）A．2+3=5B．2+2=22C．32-2=22D．18-82=9-4=1-数学
• 计算22-62+32．-数学
• Every time she was in trouble, she went to him for help, as he said he ___ do anything for her.A．sho
• I didn’t know Jane ________in Paris. How long ______here?A．is; does she liveB．was; has she beenC．has
• —Has your brother found an apartment yet?—No, he's still living in a room downtown, but I ____